National Museum of Nuclear Science & History
Seymour Ratner was a staff worker at Los Alamos during the Manhattan Project.
Cleary worked for Stone and Webster Engineering Corporation.
A. D. Jackson served in the 390th Air Service Group.
Leslie Ritner was a member of the Special Engineer Detachment at Los Alamos. He was among the first engineers sent to Los Alamos from Camp Claiborne, Louisiana in late January 1944, serving for two years before being discharged in the spring of 1946.
Jack Schubert was an American chemist and Manhattan Project scientist. He was born on September 14, 1917 in Chicago, Illinois.